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Adding handling of self-loops into update position

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Knut Sveidqvist
2024-10-02 21:06:01 +02:00
parent b3f2ba8bb8
commit 4e25bf5db9
1 changed files with 15 additions and 0 deletions
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15
packages/mermaid/src/rendering-util/layout-algorithms/fixed/index.js
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@@ -94,6 +94,21 @@ const calcIntersections = (startNodeId, endNodeId, startNodeSize, endNodeSize) =
const endIntersection = { x: endNodeSize.x, y: endNodeSize.x, pos: 'c' };
return [startIntersection, endIntersection];
}
// Check for self loop
if (startNodeId === endNodeId) {
const intersection = calcIntersectionPoint(startNode, {
x: startNode.x + startNode.width / 2 + 20,
y: startNode.y + startNode.height / 2,
});
const forthY = startNode.height / 4;
return [
{ x: intersection.x, y: startNode.y - forthY, pos: 'r' },
{ x: intersection.x, y: startNode.y + forthY, pos: 'r' },
];
}
const endNode = nodeDB.get(endNodeId);
if (endNodeSize && endNode) {
endNode.x = endNodeSize.x;